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020 _a8127217522
040 _aMAIN
041 _aEnglish
082 _a660.6 SIN
100 _aSingh,B.D
_91395
245 0 _aBiotechnology Expanding Horizons
260 _bKalyani
_aNew Delhi
_c2007
300 _a863
650 _aEnvironmental Science
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942 _cBK
999 _c36225
_d36225